<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item  :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 搜索框 添加按钮 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 商品列表区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dataFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 20, 15]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
            </el-pagination>
        </el-card>

         <!-- 修改分类对话框 -->
        <el-dialog
            title="修改商品"
            :visible.sync="editGoodsDialogVisible"
            width="50%"
            @close="editGoodsDialogClosed">
            <!-- 修改分类的表单 -->
            <el-form :model="editGoodsForm" :rules="editGoodsFormRules" ref="editGoodsFormRef" label-width="100px">
                <el-form-item label="商品名称" prop="goods_name">
                    <el-input v-model="editGoodsForm.goods_name"></el-input>
                </el-form-item>
                <el-form-item label="商品价格" prop="goods_price">
                    <el-input v-model="editGoodsForm.goods_price" type="number"></el-input>
                </el-form-item>
                <el-form-item label="商品重量" prop="goods_weight">
                    <el-input v-model="editGoodsForm.goods_weight" type="number"></el-input>
                </el-form-item>
                <el-form-item label="商品数量" prop="goods_number">
                    <el-input v-model="editGoodsForm.goods_number" type="number"></el-input>
                </el-form-item>
                <el-form-item label="修改时间" prop="upd_time">
                    <el-input v-model="editGoodsForm.add_time">{{new Date() | dataFormat}}</el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editGoodsDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editGoods">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodslist: [],
            // 总数据条数
            total: 0,
            editGoodsDialogVisible: false,
            editGoodsForm: {
                goods_name: '',
                goods_price: 0,
                goods_weight: 0,
                goods_number: 0,
                is_promote: false,
                goods_state: 1
            },
            editGoodsFormRules: {
                goods_name: [
                    { required: true, message: '请输入商品名称', trigger: 'blur' }
                ],
                goods_price: [
                    { required: true, message: '请输入商品价格', trigger: 'blur' }
                ],
                goods_weight: [
                    { required: true, message: '请输入商品重量', trigger: 'blur' }
                ],
                goods_number: [
                    { required: true, message: '请输入商品数量', trigger: 'blur' }
                ]
            }
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', {
                params: this.queryInfo
            })
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            this.goodslist = res.data.goods
            this.total = res.data.total
            // console.log(res.data)
        },
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            const { data: res } = await this.$http.delete('goods/' + id)
            if (res.meta.status !== 200) {
                return this.$message.error('删除商品失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        goAddpage() {
            this.$router.push('/goods/add')
        },
        // 展示编辑商品的对话框
        async showEditDialog(id) {
            // console.log(id)
            const { data: res } = await this.$http.get('goods/' + id)
            // console.log(res.data)
            // console.log(res.meta.status)
            if (res.meta.status !== 200) {
                return this.$message.error('查询失败')
            }
            this.editGoodsForm = res.data
            this.editGoodsDialogVisible = true
        },
        // 监听修改对话框的关闭事件
        editGoodsDialogClosed() {
            this.$refs.editGoodsFormRef.resetFields()
        },
        // 点击按钮，修改参数
        editGoods() {
            this.$refs.editGoodsFormRef.validate(async valid => {
                // console.log(valid)
                if (!valid) return
                const { data: res } = await this.$http.put(`goods/${this.editGoodsForm.goods_id}`, {
                    goods_name: this.editGoodsForm.goods_name,
                    goods_price: this.editGoodsForm.goods_price,
                    goods_weight: this.editGoodsForm.goods_weight,
                    goods_number: this.editGoodsForm.goods_number,
                    is_promote: this.editGoodsForm.is_promote,
                    goods_state: this.editGoodsForm.goods_state
                })
                // 获取不到数据 商品没有设置所属分类
                console.log(res)
                // console.log(this.editGoodsForm.goods_id)
                // if (res.meta.status !== 201) {
                //     return this.$message.error('更新失败')
                // }
                // this.$message.success('更新成功')
                // this.getGoodsList()
                // this.editDialogVisible = false
            })
        }
    }
}
</script>

<style lang="less" scoped>
</style>
